Home / 916,644.25-1,375,003.64-436,625.29

Finding the Fourth Proportional to 916,644.25, 1,375,003.64 and 436,625.29

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Solution

The fourth proportional to 916,644.25, 1,375,003.64 and 436,625.29 is: 654,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,644.25 : 1,375,003.64 = 436,625.29 : x
  2. Step 2: Convert to fraction form
    916,644.25/1,375,003.64 = 436,625.29/x
  3. Step 3: Cross multiply
    916,644.25x = 1,375,003.64 × 436,625.29
  4. Step 4: Simplify right side
    916,644.25x = 600,361,363,066.06
  5. Step 5: Solve for x
    x = 600,361,363,066.06/916,644.25
  6. Step 6: Final answer
    x = 654,955.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.